OITracker Cboe delayed data

Contract OI history

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Nov 20, 2026 EXPIRATION

SMG $50.00 Put

SMG261120P00050000

Latest saved OI185Oct 23, 2026
Last change-15vs previous saved observation
Saved market days12Oct 02, 2026 onwards
Daily open interest Hover a point for its date and OI
SMG $50.00 put open interest history 12 saved observations from 2026-10-02 to 2026-10-23. Exact values and changes are listed in the table below. 2001000 2026-10-02: 152 OI2026-10-05: 152 OI2026-10-06: 152 OI2026-10-07: 152 OI2026-10-08: 152 OI2026-10-09: 152 OI2026-10-13: 156 OI2026-10-14: 156 OI2026-10-15: 156 OI2026-10-16: 156 OI2026-10-21: 200 OI2026-10-23: 185 OI Oct 02, 2026Oct 23, 2026

All saved dates are shown. Changes compare consecutive saved observations. Missing observations are not filled with zero.

SMG contract OI by effective market date, newest first
Market dateOpen interestChange vs prior saved day
Oct 23, 2026Viewing185-15
Oct 21, 2026200+44
Oct 16, 20261560
Oct 15, 20261560
Oct 14, 20261560
Oct 13, 2026156+4
Oct 09, 20261520
Oct 08, 20261520
Oct 07, 20261520
Oct 06, 20261520
Oct 05, 20261520
Oct 02, 2026152No prior observation